Name: food grade good price sodium metabisulphite
Brand: ChoiceChem
Availability: InStock

Product Details

food grade good price sodium metabisulphite

sodium metabisulphite
food grade good price sodium metabisulphite
sodium metabisulfite

Product Description

Production Information food grade good price sodium metabisulphite

CAS RN:	7681-57-4
EINECS:	231-673-0
H.S.CODE:	2832.1000.00

Chemical Analysis food grade good price sodium metabisulphite

Component	Industrial Grade	Food Grade	Medicine Grade
Appearance	White or yellowish crystalline powder
Assay (Na₂S₂O₅)	96.5%min	97%min	98%min
water insoluble matter	0.05%max	0.03%max	0.02%max
Iron content(Fe)	0.005%max	0.003%max	0.002%max
Arsenic content(As)	0.0001%max	0.0001%max	0.0001%max
Pb	0.0005%max	0.0005%max	0.0003%max

Application food grade good price sodium metabisulphite

Industrial Uses
Water Treatment	1.Eliminating dissolved oxygen in waste water and in pipes; 2.Cleaning water pipes and reverse osmosis membranes in desalinization equipment as it is an antibacterial. 3.Sodium metabisulfite is used in water treatment plants to remove excess chlorine.
Bleaching Agent	Sodium metabisulfite's functions as a bleaching agent, which is useful in making paper pulp, cotton and wool.
Food Preservation
Antimicrobial	1.Sodium metabisulfite is commonly used as a food preservative for dried foods, as well as fruit concentrate juices. 2.Sodium metabisulfite acts as an antimicrobial, inhibiting the growth of fungi and bacteria, thereby keeping food fresh and safe.
Antimicrobial	In beer and wine manufacturing, sodium metabisulfite is used as both a sterilizer and an antioxidant in the process of brewing beer or fermenting wine.
Other Uses
Medicinal	Sodium metabisulfite is an antioxidant additive in inject able medicines and is also used as a reducing agent in pharmaceuticals.
Photographic and film industry	For preparing developer solutions, for acidifying fixing baths (photo grade).
Landscape Gardening	Sodium metabisulfite used in landscape gardening as a tree stump remover, as it disintegrates the lignin -- chemicals in plant cell walls -- in the tree stumps, making them easier to remove.
Fiber Industry	In the sulphitisation of tanning extract.
Gold mining	For bleaching ground wood, as an antichlor.